Security readout for executives and security teams
Plain-English summary
This is a low-severity cross-site scripting issue in Catalyst-Plugin-Session versions up to 0.40. A crafted session ID value can affect how session handling processes output. Business urgency is limited, but internet-facing Perl Catalyst applications using this plugin should be upgraded to prevent user-facing script injection risk.
Executive priority
Treat as routine remediation unless the affected plugin is used in public-facing applications with sensitive user workflows. The issue is low severity, but upgrading is straightforward and reduces avoidable XSS exposure.
Technical view
CVE-2018-25052 affects Catalyst-Plugin-Session through version 0.40 in lib/Catalyst/Plugin/Session.pm, specifically _load_sessionid in the Session ID Handler. Manipulation of the sid argument can lead to CWE-79 cross-site scripting. The listed fix is release 0.41 and commit 88d1b599e1163761c9bd53bec53ba078f13e09d4.
Likely exposure
Exposure is limited to applications using Catalyst-Plugin-Session versions 0.40 or earlier. The provided sources do not identify specific downstream products or platforms, so validation should focus on dependency inventories and deployed Perl Catalyst applications.
Exploitation context
The CVSS vector indicates network access, low attack complexity, privileges required, and user interaction required. The source bundle says KEV is false and provides no evidence of active exploitation, so active exploitation should not be assumed.
Researcher notes
The evidence names the vulnerable function, component, argument, affected version range, CWE, CVSS vector, and fixing release. It does not provide exploit code, observed exploitation, or affected downstream products. Avoid expanding scope beyond Catalyst-Plugin-Session without local evidence.
Mitigation direction
- Upgrade Catalyst-Plugin-Session to version 0.41 or later.
- Review the referenced patch when validating custom or forked deployments.
- Check vendor or project guidance if upgrade timing is constrained.
- Prioritize internet-facing applications that rely on this session plugin.
Validation and detection
- Search dependency manifests for Catalyst-Plugin-Session versions 0.40 or earlier.
- Confirm deployed runtime packages match the remediated dependency version.
- Identify Perl Catalyst applications that process user-controlled session identifiers.
- Record upgrade evidence and regression test results for affected applications.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-25052 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N2.11.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.5LowVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.216958CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.216958CVE reference · signature, permissions-required
- https://github.com/perl-catalyst/Catalyst-Plugin-Session/commit/88d1b599e1163761c9bd53bec53ba078f13e09d4CVE reference · patch
- https://github.com/perl-catalyst/Catalyst-Plugin-Session/releases/tag/0.41CVE reference · patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.